#include <iostream>
#include <vector>
#include <string>
using namespace std;

int main() {

    // define vector
    vector<int> intvectorvariable;
    int intvectorvariable = 5;
    cout << intvectorvariable << endl;
/*
    // use name space
    string fruit = "apple";
    cout << "My favorite fruit is " << fruit << "\n";
*/
    // define vector
//   vector<float> myvector(1);

  //  myvector[0] = 5.0;
/*
    vector<float> myvector(5);

    myvector[0] = 5.0;
    myvector[1] = 3.0;
    myvector[2] = 2.7;
    myvector[3] = 8.2;
    myvector[4] = 7.9;
*/
 //  cout << myvector << endl;

    return 0;
}